20210490839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{170327}}^1$

素因数の和:170435

約数の個数: 32

約数和(自身を含む): 26685628416

約数和(自身を除く): 6475137577

約数列:

[1, 7, 11, 23, 67, 77, 161, 253, 469, 737, 1541, 1771, 5159, 10787, 16951, 118657, 170327, 1192289, 1873597, 3917521, 11411909, 13115179, 27422647, 43092731, 79883363, 125530999, 262473907, 301649117, 878716993, 1837317349, 2887212977, 20210490839]

約数ペア:

[(1, 20210490839), (7, 2887212977), (11, 1837317349), (23, 878716993), (67, 301649117), (77, 262473907), (161, 125530999), (253, 79883363), (469, 43092731), (737, 27422647), (1541, 13115179), (1771, 11411909), (5159, 3917521), (10787, 1873597), (16951, 1192289), (118657, 170327)]